Appendix 4. Mean and standard deviation of cover of understory vegetation (shrub layer) (%) by variable-retention harvesting types

Year	2010	2011	2012	2013	2014	2016	2017	2018
Treatments
AR15H	22.55±17.89	-	0.07±0.33	2.59±5.60	8.29±13.77	41.80±26.91	39.37±23.29	55.07±20.55
AR15R	26.32±18.35	31.34±29.73	13.08±15.01	10.11± 9.49	13.14±17.54	12.81±11.78	14.39±18.13	22.50±15.83
AR50H	14.98±15.26	-	1.57±7.09	1.40±2.91	2.35±5.37	47.57±24.4	31.68±25.99	55.02±26.67
AR50R	24.27±18.68	17.38±17.50	15.52±20.04	18.55±19.88	13.29±13.40	16.99±14.92	15.34±14.86	19.57±15.93
C	16.05±12.79	20.08±17.49	19.4±19.72	16.72±15.18	17.31±15.62	16.43±16.49	9.98±10.98	17.31±16.07
DR15	19.00±17.83	0.89±2.64	2.53±6.48	6.38±9.62	8.96±14.02	44.13±31.04	36.38±26.79	51.56±30.92
DR50	17.26±15.02	0.78±2.02	1.58±3.44	5.31±8.43	5.62±8.70	35.12±31.02	23.55±24.19	32.11±21.43